InChI=1S/C38H62O17/c1-7-38(6,55-37-32(47)27(42)25(40)23(53-37)18-51-36-31(46)28(43)29(44)33(54-36)34(48)49)16-10-15-20(3)12-8-11-19(2)13-9-14-21(4)17-50-35-30(45)26(41)24(39)22(5)52-35/h7,11,14-15,22-33,35-37,39-47H,1,8-10,12-13,16-18H2,2-6H3,(H,48,49)/b19-11-,20-15+,21-14+